Service · Kansas City Metro

Downspouts & Extensions

TL;DR

Adding or upgrading a downspout: $80–$180 per drop. Underground PVC drainage with : $400–$900 per run. Most foundation water problems in KC are downspout problems — and we fix them.

Move water away from your foundation.

Most gutter problems aren't the gutter — they're the downspout. Undersized, poorly placed, or missing-extension downspouts dump thousands of gallons of water right against your foundation every storm. Premier Gutters KC sizes, places, and extends downspouts to move water at least 4 feet from your foundation.

10-year workmanship warranty Free, no-pressure quotes 5.0★ from 150+ reviews
New seamless gutter and downspout installation on newer-build Kansas City home
What's Included

Every detail. No upsells.

Here's exactly what comes with your downspouts & extensions from Premier Gutters KC.

White downspout running down the side of a sage-green walkout ranch home past a raised wood deck and utility meters, draining away from the foundation in the Kansas City metro
A downspout routed down a walkout elevation and extended away from the foundation — proper water management we build into every install across the KC metro.
How It Works

Our process for downspouts & extensions.

Every step designed to feel premium and respectful of your time.

Step 01

Roofline Analysis

We calculate the actual water volume each downspout needs to handle based on roof square footage and KC rainfall intensity.

Step 02

Sizing + Placement

Upgrade undersized downspouts. Add downspouts where needed. Reposition to avoid foundation impact.

Step 03

Installation

Properly secured to fascia or siding, properly pitched, properly terminated.

Step 04

Drainage Solution

Extensions (4 ft minimum), splash blocks, or full underground drains as needed.

Typical KC Pricing

Standard downspout: $150–$300 each installed. Underground drain extensions: $200–$600 per run. Full system rework: $400–$1,500 depending on size.

FAQ

Downspouts & Extensions questions, answered.

How many downspouts does my house need?

General rule: one downspout per 40 linear feet of gutter for 5" systems, 50 ft for 6" systems. Larger rooflines and steep pitches need more.

Should I bury my downspouts?

If your yard slopes toward the house or you've had basement water issues, yes. Underground drainage with is far more effective than surface splash blocks.

What size downspouts do I need?

Most KC homes need 2x3" downspouts. Homes over 2,500 sq ft of roofline benefit from 3x4" oversized downspouts that handle 75% more water.

Can you reroute existing downspouts?

Yes. If a downspout is in a bad spot (against a foundation, near a walkway), we can reroute it to a better location.

Do downspouts freeze in winter?

Properly pitched and properly sized downspouts shouldn't. If yours freezes regularly, the drainage is inadequate.
Other Services

Everything else we do for KC homeowners.

Financing available. Split your project into low monthly payments over 3–60 months, with 0% APR options for qualified buyers. Checking your options won’t affect your credit.
See financing options →
Ready When You Are

Schedule your free downspouts & extensions estimate.

No pressure, no gimmicks. Most quotes returned within 48 hours.

Call Now: (816) 469-9563